Enter the following at the title screen. (You'll hear a noise to signal the code was entered properly.) "L" and "R" are the Left and Right shoulder buttons on the DS.
X, Up, B, Down, Y, Left, START, Right, R, R, L, R, R, Down, Down, Up, Y, Y, Y, START, SELECT All Characters Unlocked
Right, Up, R, L, X, Y, Right, Left, B, L, R, L, Down, Down, Up, Y, Y, X, X, B, B, Up, Up, L, R, START, SELECT All Episodes Unlocked + Free Play
Up, Down, L, R, L, R, L, Left, Right, X, X, Y, Y, B, B, L, Up, Down, L, R, L, R, Up, Up, Down, START, SELECT All Extras Unlocked
X, Y, B, B, Y, X, L, L, R, R, Up, Down, Left, Right, START, SELECT Start with 1,000,000 Studs
Up, Up, B, Down, Down, X, Left, Left, Y, L, R, L, R, B, Y, X, START, SELECT Start with 3,000,000 Studs
